Arian Foster's Irregular Heartbeat: The Medicine Behind the Scare

The Houston Texans (12-3) suddenly look vulnerable, and Arian Foster's irregular heartbeat scare didn't do anything to help. According to Nick Scurfield of the official Texans website, Foster left the Texans' Week 16 23-6 loss to the Minnesota Vikings (9-6) in the third quarter due to the condition. Scurfield also reports that team physicians cleared him to return to play later in the game, but head coach Gary Kubiak decided to hold him out as a precautionary measure. Fortunately, it appears tha...